The project is a supporting project for the political facilities of Beiqijia Automobile City, mainly solving the problems of municipal infrastructure such as rainwater and sewage discharge, heating, power supply, gas, water supply, and telecommunications outside the automobile city. The road works are divided into South Road, Middle Road, West Road and North Road, with a total road area of 71028 ㎡. Rainwater project is divided into south road section, middle road section, north road section and west road section, with total pipeline length